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FIELD TEST of the uber rare Nikon Reflex Nikkor 1000mm F6.3 super telephoto lens circa 1964 - YouTube
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Amazon.com : Opteka 500mm/1000mm f/8 Manual Telephoto Lens for Nikon F D6, D5, D4, Df, D850, D810, D800, D780, D750, D610, D500, D7500, D7200, D7100, D5600, D5500, D5300, D5200, D5100, D3500, D3400,
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